[libsigrok.git] / src / hardware / cem-dt-885x / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>
#include <string.h>
#include "protocol.h"

#define SERIALCOMM "9600/8n1"

/* 23ms is the longest interval between tokens. */
#define MAX_SCAN_TIME_US (25 * 1000)

static const uint32_t scanopts[] = {
	SR_CONF_CONN,
};

static const uint32_t drvopts[] = {
	SR_CONF_SOUNDLEVELMETER,
};

static const uint32_t devopts[] = {
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_DATALOG | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_HOLD_MAX | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_HOLD_MIN | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};

static const char *weight_freq[] = {
	"A",
	"C",
};

static const char *weight_time[] = {
	"F",
	"S",
};

static const uint64_t meas_ranges[][2] = {
	{ 30, 130 },
	{ 30, 80 },
	{ 50, 100 },
	{ 80, 130 },
};

static const char *data_sources[] = {
	"Live",
	"Memory",
};

SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct drv_context *drvc;
	struct dev_context *devc;
	struct sr_config *src;
	struct sr_serial_dev_inst *serial;
	struct sr_dev_inst *sdi;
	GSList *l, *devices;
	gint64 start;
	const char *conn;
	unsigned char c;

	conn = NULL;
	for (l = options; l; l = l->next) {
		src = l->data;
		if (src->key == SR_CONF_CONN)
			conn = g_variant_get_string(src->data, NULL);
	}
	if (!conn)
		return NULL;

	serial = sr_serial_dev_inst_new(conn, SERIALCOMM);

	if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
		return NULL;

	devices = NULL;
	drvc = di->context;
	start = g_get_monotonic_time();
	while (g_get_monotonic_time() - start < MAX_SCAN_TIME_US) {
		if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) {
			/* Found one. */
			sdi = g_malloc0(sizeof(struct sr_dev_inst));
			sdi->status = SR_ST_INACTIVE;
			sdi->vendor = g_strdup("CEM");
			sdi->model = g_strdup("DT-885x");
			devc = g_malloc0(sizeof(struct dev_context));
			devc->cur_mqflags = 0;
			devc->recording = -1;
			devc->cur_meas_range = 0;
			devc->cur_data_source = DATA_SOURCE_LIVE;
			devc->enable_data_source_memory = FALSE;
			sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
			sdi->inst_type = SR_INST_SERIAL;
			sdi->priv = devc;
			sdi->driver = di;
			sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
			drvc->instances = g_slist_append(drvc->instances, sdi);
			devices = g_slist_append(devices, sdi);
			break;
		}
		/* It takes about 1ms for a byte to come in. */
		g_usleep(1000);
	}

	serial_close(serial);

	return devices;
}

static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	GVariant *range[2];
	uint64_t low, high;
	int tmp, ret;

	(void)cg;

	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;
	ret = SR_OK;
	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
		*data = g_variant_new_uint64(devc->limit_samples);
		break;
	case SR_CONF_DATALOG:
		if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
			*data = g_variant_new_boolean(tmp);
		break;
	case SR_CONF_SPL_WEIGHT_FREQ:
		tmp = cem_dt_885x_weight_freq_get(sdi);
		if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
			*data = g_variant_new_string("A");
		else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
			*data = g_variant_new_string("C");
		else
			return SR_ERR;
		break;
	case SR_CONF_SPL_WEIGHT_TIME:
		tmp = cem_dt_885x_weight_time_get(sdi);
		if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
			*data = g_variant_new_string("F");
		else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
			*data = g_variant_new_string("S");
		else
			return SR_ERR;
		break;
	case SR_CONF_HOLD_MAX:
		if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
			*data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
		break;
	case SR_CONF_HOLD_MIN:
		if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
			*data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
		break;
	case SR_CONF_SPL_MEASUREMENT_RANGE:
		if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) {
			range[0] = g_variant_new_uint64(low);
			range[1] = g_variant_new_uint64(high);
			*data = g_variant_new_tuple(range, 2);
		}
		break;
	case SR_CONF_POWER_OFF:
		*data = g_variant_new_boolean(FALSE);
		break;
	case SR_CONF_DATA_SOURCE:
		if (devc->cur_data_source == DATA_SOURCE_LIVE)
			*data = g_variant_new_string("Live");
		else
			*data = g_variant_new_string("Memory");
		break;
	default:
		return SR_ERR_NA;
	}

	return ret;
}

static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	uint64_t tmp_u64, low, high;
	unsigned int i;
	int tmp, ret;
	const char *tmp_str;

	(void)cg;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	if (!(devc = sdi->priv)) {
		sr_err("sdi->priv was NULL.");
		return SR_ERR_BUG;
	}

	ret = SR_OK;
	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
		tmp_u64 = g_variant_get_uint64(data);
		devc->limit_samples = tmp_u64;
		ret = SR_OK;
		break;
	case SR_CONF_DATALOG:
		ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
		break;
	case SR_CONF_SPL_WEIGHT_FREQ:
		tmp_str = g_variant_get_string(data, NULL);
		if (!strcmp(tmp_str, "A"))
			ret = cem_dt_885x_weight_freq_set(sdi,
					SR_MQFLAG_SPL_FREQ_WEIGHT_A);
		else if (!strcmp(tmp_str, "C"))
			ret = cem_dt_885x_weight_freq_set(sdi,
					SR_MQFLAG_SPL_FREQ_WEIGHT_C);
		else
			return SR_ERR_ARG;
		break;
	case SR_CONF_SPL_WEIGHT_TIME:
		tmp_str = g_variant_get_string(data, NULL);
		if (!strcmp(tmp_str, "F"))
			ret = cem_dt_885x_weight_time_set(sdi,
					SR_MQFLAG_SPL_TIME_WEIGHT_F);
		else if (!strcmp(tmp_str, "S"))
			ret = cem_dt_885x_weight_time_set(sdi,
					SR_MQFLAG_SPL_TIME_WEIGHT_S);
		else
			return SR_ERR_ARG;
		break;
	case SR_CONF_HOLD_MAX:
		tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
		ret = cem_dt_885x_holdmode_set(sdi, tmp);
		break;
	case SR_CONF_HOLD_MIN:
		tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
		ret = cem_dt_885x_holdmode_set(sdi, tmp);
		break;
	case SR_CONF_SPL_MEASUREMENT_RANGE:
		g_variant_get(data, "(tt)", &low, &high);
		ret = SR_ERR_ARG;
		for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
			if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
				ret = cem_dt_885x_meas_range_set(sdi, low, high);
				break;
			}
		}
		break;
	case SR_CONF_POWER_OFF:
		if (g_variant_get_boolean(data))
			ret = cem_dt_885x_power_off(sdi);
		break;
	case SR_CONF_DATA_SOURCE:
		tmp_str = g_variant_get_string(data, NULL);
		if (!strcmp(tmp_str, "Live"))
			devc->cur_data_source = DATA_SOURCE_LIVE;
		else if (!strcmp(tmp_str, "Memory"))
			devc->cur_data_source = DATA_SOURCE_MEMORY;
		else
			return SR_ERR;
		devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY;
		break;
	default:
		ret = SR_ERR_NA;
	}

	return ret;
}

static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	GVariant *tuple, *range[2];
	GVariantBuilder gvb;
	unsigned int i;
	int ret;

	(void)cg;

	ret = SR_OK;
	if (!sdi) {
		switch (key) {
		case SR_CONF_SCAN_OPTIONS:
			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
					scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
			break;
		case SR_CONF_DEVICE_OPTIONS:
			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
					drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
			break;
		default:
			return SR_ERR_NA;
		}
	} else {
		switch (key) {
		case SR_CONF_DEVICE_OPTIONS:
			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
					devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
			break;
		case SR_CONF_SPL_WEIGHT_FREQ:
			*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
			break;
		case SR_CONF_SPL_WEIGHT_TIME:
			*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
			break;
		case SR_CONF_SPL_MEASUREMENT_RANGE:
			g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
			for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
				range[0] = g_variant_new_uint64(meas_ranges[i][0]);
				range[1] = g_variant_new_uint64(meas_ranges[i][1]);
				tuple = g_variant_new_tuple(range, 2);
				g_variant_builder_add_value(&gvb, tuple);
			}
			*data = g_variant_builder_end(&gvb);
			break;
		case SR_CONF_DATA_SOURCE:
			*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
			break;
		default:
			return SR_ERR_NA;
		}
	}

	return ret;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	devc = sdi->priv;
	devc->state = ST_INIT;
	devc->num_samples = 0;
	devc->buf_len = 0;

	std_session_send_df_header(sdi, LOG_PREFIX);

	/* Poll every 100ms, or whenever some data comes in. */
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 150,
			cem_dt_885x_receive_data, (void *)sdi);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
			sdi->conn, LOG_PREFIX);
}

SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
	.name = "cem-dt-885x",
	.longname = "CEM DT-885x",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = NULL,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = std_serial_dev_open,
	.dev_close = std_serial_dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.context = NULL,
};
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
	5	*
	6	* This program is free software: you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation, either version 3 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include <config.h>
	21	#include <string.h>
	22	#include "protocol.h"
	23
	24	#define SERIALCOMM "9600/8n1"
	25
	26	/* 23ms is the longest interval between tokens. */
	27	#define MAX_SCAN_TIME_US (25 * 1000)
	28
	29	static const uint32_t scanopts[] = {
	30	SR_CONF_CONN,
	31	};
	32
	33	static const uint32_t drvopts[] = {
	34	SR_CONF_SOUNDLEVELMETER,
	35	};
	36
	37	static const uint32_t devopts[] = {
	38	SR_CONF_CONTINUOUS,
	39	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	40	SR_CONF_SPL_WEIGHT_FREQ \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	41	SR_CONF_SPL_WEIGHT_TIME \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	42	SR_CONF_SPL_MEASUREMENT_RANGE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	43	SR_CONF_DATALOG \| SR_CONF_GET \| SR_CONF_SET,
	44	SR_CONF_HOLD_MAX \| SR_CONF_GET \| SR_CONF_SET,
	45	SR_CONF_HOLD_MIN \| SR_CONF_GET \| SR_CONF_SET,
	46	SR_CONF_POWER_OFF \| SR_CONF_GET \| SR_CONF_SET,
	47	SR_CONF_DATA_SOURCE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	48	};
	49
	50	static const char *weight_freq[] = {
	51	"A",
	52	"C",
	53	};
	54
	55	static const char *weight_time[] = {
	56	"F",
	57	"S",
	58	};
	59
	60	static const uint64_t meas_ranges[][2] = {
	61	{ 30, 130 },
	62	{ 30, 80 },
	63	{ 50, 100 },
	64	{ 80, 130 },
	65	};
	66
	67	static const char *data_sources[] = {
	68	"Live",
	69	"Memory",
	70	};
	71
	72	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
	73
	74	static GSList scan(struct sr_dev_driver di, GSList *options)
	75	{
	76	struct drv_context *drvc;
	77	struct dev_context *devc;
	78	struct sr_config *src;
	79	struct sr_serial_dev_inst *serial;
	80	struct sr_dev_inst *sdi;
	81	GSList l, devices;
	82	gint64 start;
	83	const char *conn;
	84	unsigned char c;
	85
	86	conn = NULL;
	87	for (l = options; l; l = l->next) {
	88	src = l->data;
	89	if (src->key == SR_CONF_CONN)
	90	conn = g_variant_get_string(src->data, NULL);
	91	}
	92	if (!conn)
	93	return NULL;
	94
	95	serial = sr_serial_dev_inst_new(conn, SERIALCOMM);
	96
	97	if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
	98	return NULL;
	99
	100	devices = NULL;
	101	drvc = di->context;
	102	start = g_get_monotonic_time();
	103	while (g_get_monotonic_time() - start < MAX_SCAN_TIME_US) {
	104	if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) {
	105	/* Found one. */
	106	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	107	sdi->status = SR_ST_INACTIVE;
	108	sdi->vendor = g_strdup("CEM");
	109	sdi->model = g_strdup("DT-885x");
	110	devc = g_malloc0(sizeof(struct dev_context));
	111	devc->cur_mqflags = 0;
	112	devc->recording = -1;
	113	devc->cur_meas_range = 0;
	114	devc->cur_data_source = DATA_SOURCE_LIVE;
	115	devc->enable_data_source_memory = FALSE;
	116	sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
	117	sdi->inst_type = SR_INST_SERIAL;
	118	sdi->priv = devc;
	119	sdi->driver = di;
	120	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
	121	drvc->instances = g_slist_append(drvc->instances, sdi);
	122	devices = g_slist_append(devices, sdi);
	123	break;
	124	}
	125	/* It takes about 1ms for a byte to come in. */
	126	g_usleep(1000);
	127	}
	128
	129	serial_close(serial);
	130
	131	return devices;
	132	}
	133
	134	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	135	const struct sr_channel_group *cg)
	136	{
	137	struct dev_context *devc;
	138	GVariant *range[2];
	139	uint64_t low, high;
	140	int tmp, ret;
	141
	142	(void)cg;
	143
	144	if (!sdi)
	145	return SR_ERR_ARG;
	146
	147	devc = sdi->priv;
	148	ret = SR_OK;
	149	switch (key) {
	150	case SR_CONF_LIMIT_SAMPLES:
	151	*data = g_variant_new_uint64(devc->limit_samples);
	152	break;
	153	case SR_CONF_DATALOG:
	154	if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
	155	*data = g_variant_new_boolean(tmp);
	156	break;
	157	case SR_CONF_SPL_WEIGHT_FREQ:
	158	tmp = cem_dt_885x_weight_freq_get(sdi);
	159	if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
	160	*data = g_variant_new_string("A");
	161	else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
	162	*data = g_variant_new_string("C");
	163	else
	164	return SR_ERR;
	165	break;
	166	case SR_CONF_SPL_WEIGHT_TIME:
	167	tmp = cem_dt_885x_weight_time_get(sdi);
	168	if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
	169	*data = g_variant_new_string("F");
	170	else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
	171	*data = g_variant_new_string("S");
	172	else
	173	return SR_ERR;
	174	break;
	175	case SR_CONF_HOLD_MAX:
	176	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	177	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
	178	break;
	179	case SR_CONF_HOLD_MIN:
	180	if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
	181	*data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
	182	break;
	183	case SR_CONF_SPL_MEASUREMENT_RANGE:
	184	if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) {
	185	range[0] = g_variant_new_uint64(low);
	186	range[1] = g_variant_new_uint64(high);
	187	*data = g_variant_new_tuple(range, 2);
	188	}
	189	break;
	190	case SR_CONF_POWER_OFF:
	191	*data = g_variant_new_boolean(FALSE);
	192	break;
	193	case SR_CONF_DATA_SOURCE:
	194	if (devc->cur_data_source == DATA_SOURCE_LIVE)
	195	*data = g_variant_new_string("Live");
	196	else
	197	*data = g_variant_new_string("Memory");
	198	break;
	199	default:
	200	return SR_ERR_NA;
	201	}
	202
	203	return ret;
	204	}
	205
	206	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	207	const struct sr_channel_group *cg)
	208	{
	209	struct dev_context *devc;
	210	uint64_t tmp_u64, low, high;
	211	unsigned int i;
	212	int tmp, ret;
	213	const char *tmp_str;
	214
	215	(void)cg;
	216
	217	if (sdi->status != SR_ST_ACTIVE)
	218	return SR_ERR_DEV_CLOSED;
	219
	220	if (!(devc = sdi->priv)) {
	221	sr_err("sdi->priv was NULL.");
	222	return SR_ERR_BUG;
	223	}
	224
	225	ret = SR_OK;
	226	switch (key) {
	227	case SR_CONF_LIMIT_SAMPLES:
	228	tmp_u64 = g_variant_get_uint64(data);
	229	devc->limit_samples = tmp_u64;
	230	ret = SR_OK;
	231	break;
	232	case SR_CONF_DATALOG:
	233	ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
	234	break;
	235	case SR_CONF_SPL_WEIGHT_FREQ:
	236	tmp_str = g_variant_get_string(data, NULL);
	237	if (!strcmp(tmp_str, "A"))
	238	ret = cem_dt_885x_weight_freq_set(sdi,
	239	SR_MQFLAG_SPL_FREQ_WEIGHT_A);
	240	else if (!strcmp(tmp_str, "C"))
	241	ret = cem_dt_885x_weight_freq_set(sdi,
	242	SR_MQFLAG_SPL_FREQ_WEIGHT_C);
	243	else
	244	return SR_ERR_ARG;
	245	break;
	246	case SR_CONF_SPL_WEIGHT_TIME:
	247	tmp_str = g_variant_get_string(data, NULL);
	248	if (!strcmp(tmp_str, "F"))
	249	ret = cem_dt_885x_weight_time_set(sdi,
	250	SR_MQFLAG_SPL_TIME_WEIGHT_F);
	251	else if (!strcmp(tmp_str, "S"))
	252	ret = cem_dt_885x_weight_time_set(sdi,
	253	SR_MQFLAG_SPL_TIME_WEIGHT_S);
	254	else
	255	return SR_ERR_ARG;
	256	break;
	257	case SR_CONF_HOLD_MAX:
	258	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
	259	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	260	break;
	261	case SR_CONF_HOLD_MIN:
	262	tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
	263	ret = cem_dt_885x_holdmode_set(sdi, tmp);
	264	break;
	265	case SR_CONF_SPL_MEASUREMENT_RANGE:
	266	g_variant_get(data, "(tt)", &low, &high);
	267	ret = SR_ERR_ARG;
	268	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	269	if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
	270	ret = cem_dt_885x_meas_range_set(sdi, low, high);
	271	break;
	272	}
	273	}
	274	break;
	275	case SR_CONF_POWER_OFF:
	276	if (g_variant_get_boolean(data))
	277	ret = cem_dt_885x_power_off(sdi);
	278	break;
	279	case SR_CONF_DATA_SOURCE:
	280	tmp_str = g_variant_get_string(data, NULL);
	281	if (!strcmp(tmp_str, "Live"))
	282	devc->cur_data_source = DATA_SOURCE_LIVE;
	283	else if (!strcmp(tmp_str, "Memory"))
	284	devc->cur_data_source = DATA_SOURCE_MEMORY;
	285	else
	286	return SR_ERR;
	287	devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY;
	288	break;
	289	default:
	290	ret = SR_ERR_NA;
	291	}
	292
	293	return ret;
	294	}
	295
	296	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	297	const struct sr_channel_group *cg)
	298	{
	299	GVariant tuple, range[2];
	300	GVariantBuilder gvb;
	301	unsigned int i;
	302	int ret;
	303
	304	(void)cg;
	305
	306	ret = SR_OK;
	307	if (!sdi) {
	308	switch (key) {
	309	case SR_CONF_SCAN_OPTIONS:
	310	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	311	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	312	break;
	313	case SR_CONF_DEVICE_OPTIONS:
	314	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	315	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
	316	break;
	317	default:
	318	return SR_ERR_NA;
	319	}
	320	} else {
	321	switch (key) {
	322	case SR_CONF_DEVICE_OPTIONS:
	323	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	324	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	325	break;
	326	case SR_CONF_SPL_WEIGHT_FREQ:
	327	*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
	328	break;
	329	case SR_CONF_SPL_WEIGHT_TIME:
	330	*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
	331	break;
	332	case SR_CONF_SPL_MEASUREMENT_RANGE:
	333	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	334	for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
	335	range[0] = g_variant_new_uint64(meas_ranges[i][0]);
	336	range[1] = g_variant_new_uint64(meas_ranges[i][1]);
	337	tuple = g_variant_new_tuple(range, 2);
	338	g_variant_builder_add_value(&gvb, tuple);
	339	}
	340	*data = g_variant_builder_end(&gvb);
	341	break;
	342	case SR_CONF_DATA_SOURCE:
	343	*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
	344	break;
	345	default:
	346	return SR_ERR_NA;
	347	}
	348	}
	349
	350	return ret;
	351	}
	352
	353	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	354	{
	355	struct dev_context *devc;
	356	struct sr_serial_dev_inst *serial;
	357
	358	if (sdi->status != SR_ST_ACTIVE)
	359	return SR_ERR_DEV_CLOSED;
	360
	361	devc = sdi->priv;
	362	devc->state = ST_INIT;
	363	devc->num_samples = 0;
	364	devc->buf_len = 0;
	365
	366	std_session_send_df_header(sdi, LOG_PREFIX);
	367
	368	/* Poll every 100ms, or whenever some data comes in. */
	369	serial = sdi->conn;
	370	serial_source_add(sdi->session, serial, G_IO_IN, 150,
	371	cem_dt_885x_receive_data, (void *)sdi);
	372
	373	return SR_OK;
	374	}
	375
	376	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	377	{
	378	if (sdi->status != SR_ST_ACTIVE)
	379	return SR_ERR_DEV_CLOSED;
	380
	381	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
	382	sdi->conn, LOG_PREFIX);
	383	}
	384
	385	SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
	386	.name = "cem-dt-885x",
	387	.longname = "CEM DT-885x",
	388	.api_version = 1,
	389	.init = std_init,
	390	.cleanup = std_cleanup,
	391	.scan = scan,
	392	.dev_list = std_dev_list,
	393	.dev_clear = NULL,
	394	.config_get = config_get,
	395	.config_set = config_set,
	396	.config_list = config_list,
	397	.dev_open = std_serial_dev_open,
	398	.dev_close = std_serial_dev_close,
	399	.dev_acquisition_start = dev_acquisition_start,
	400	.dev_acquisition_stop = dev_acquisition_stop,
	401	.context = NULL,
	402	};